![](http://datasheet.mmic.net.cn/370000/UPD75236GJ_datasheet_16740772/UPD75236GJ_7.png)
7
μ
PD75236
1.
PIN FUNCTIONS
1.1
PORT PINS (1/2)
P00
P01
P02
P03
P10
P11
P12
P13
P20
P21
P22
P23
P30
P31
P32
P33
P40 to P43
P50 to P53
P60
P61
P62
P63
P70
P71
P72
P73
Pin Name
I/O
After Reset
Input / Output
Circuit Type
*1
Input/
output
*2
4-bit input port (PORT0).
Built-in pull-up resistor can be specified in 3-bit
units by software for P01 to P03.
4-bit input port (PORT1).
Built-in pull-up resistor can be specified in 4-bit
units by software.
Noise removing
function available
4-bit input/ output port (PORT2).
Built-in pull-up resistor can be specified in 4-bit
units by software.
×
×
B
F – A
F – B
M – C
B – C
E – B
×
Input
Input
Input
Input
Input
Input/
output
Programmable 4-bit input/ output port (PORT3).
Input/ output specifiable in 1-bit units.
Built-in pull-up resistor can be specified in 4-bit
units by software.
Input/
output
Input/
output
N-ch open-drain 4-bit input/output port (PORT4).
Pull-up resistor can be incorporated in 1-bit units
(mask option).
10 V withstand voltage with open drain.
N-ch open-drain 4-bit input/ output port (PORT5).
Pull-up resistor can be incorporated in 1-bit units
(mask option).
10 V withstand voltage with open drain.
Programmable 4-bit input/output port (PORT6).
Input/output specifiable in 1-bit units.
Built -in pull-up resistor can be specified in 4-bit
units by software.
G
G
High level
(when a pull-
up resistor is
incorporated)
or high
impedance
High level
(when a pull-
up resistor is
incorporated)
or high
impedance
Input
E – C
×
M
M
* 1.
Schmitt trigger inputs are circled.
Can drive LED directly.
2.
Function
Dual-
Function Pin
8-Bit
I/O
*2
*2
*2
*2
*2
G
G
Input/
output
Input/
output
4-bit input/output port (PORT7).
Built-in pull-down resistor can be incorporated in
1-bit units (mask option).
INT4
SCK0
SO0/SB0
SI0/SB1
INT0
INT1
INT2
TI0
PTO0
—
PCL
BUZ
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Input
V
SS
level
(when a pull-
down resistor
is incorpo-
rated) or high
impedance
E – C
V